STMicroelectronics provides a recommended PCB layout in the application note AN4899, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
The input capacitor selection depends on the input voltage, current, and frequency. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the maximum input voltage, and a capacitance value between 1 μF and 10 μF. Consult the application note AN4899 for more detailed guidance.
The VNQ860SP can operate within a temperature range of -40°C to 150°C, but the maximum junction temperature (Tj) should not exceed 150°C. Ensure proper thermal management and heat sinking to maintain a safe operating temperature.
Overcurrent protection can be achieved using an external current sense resistor and a comparator or a dedicated overcurrent protection IC. The VNQ860SP also has an internal overcurrent detection feature, which can be enabled by connecting the OC pin to a suitable resistor and capacitor network.
The recommended gate drive voltage for the VNQ860SP is between 10 V and 15 V, with a maximum voltage of 20 V. Ensure the gate drive voltage is within the specified range to prevent damage to the device.
VNQ860SP datasheet
by STMicroelectronics
